Use the following table to determine the part number for the field replaceable unit (FRU):
| CCIN or FFC | Type and model | Part number | Description | Location code |
| E3A | 9117-MMA | 37L6903 | 128 MB cache battery, U.S. | |
| E3A | 9117-MMA | 00N9561 | 128 MB cache battery, Japan |